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It looks like you may have installed 1Password 7 instead of 1Password 4. There are no license files for 1Password 4, 1Password 4 uses a a textual license key. You can find your license key from the receipt email you got from us via either [email protected] or [email protected]. The license key starts with either 1PWW-, 1PWB-, or OPW4-.

You can enter the license key in 1Password 4 Help Menu > Enter License Key.

Be sure to uninstall 1Password 7 before you install 1Password 4 if you want to keep using 1Password 4 instead, which has been discontinued from us. If you want to learn more about 1Password 7, you can read here: https://support.1password.com/upgrade-windows/